John 15:26

When the Advocate comes, whom I will send to you from the Father—the Spirit of truth who proceeds from the Father—He will testify about Me.

Note Or Comforter or Helper or Counselor; Greek Paraclete

BSB · Berean Standard Bible
But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall testify of me:
KJV · King James Version
“When the Counselor has come, whom I will send to you from the Father, the Spirit of truth, who proceeds from the Father, he will testify about me.

Note Greek Parakletos: Counselor, Helper, Advocate, Intercessor, and Comforter.

WEB · World English Bible
But when the Comforter is come, whom I will send unto you from the Father, even the Spirit of truth, which proceedeth from the Father, he shall bear witness of me:
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

when
John 14:16, 17, 26; John 16:7, 13, 14; Luke 24:49; Acts 2:33
which
John 8:42; Revelation 22:1
he
John 16:14, 15; Acts 2:32, 33; Acts 5:32; Acts 15:8; 1 Corinthians 1:6; Hebrews 2:4; 1 John 5:6–10